Method for realizing multiple packet broadcasting service

This invention discloses one kind of implementation method of Multicast Service, which can be carried by many different kinds of bearing services. Each service works in its assigned local Multicast area. This method includes: a, relating different bearing service together at the net side; b, when UE switches between different bearing service, the net side builds up or renews the MBMS text,and then according to the relation in different bearing service they build the data which carry the local Multicast Service. As the result, the switch cannot affect the reception of the Multicast Service.